*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    min-height: 100vh;
    background: #0d0b14;
    font-family: 'Segoe UI', system-ui, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    position: relative;
    overflow-x: hidden;
  }

  body::before {
    content: '';
    position: fixed;
    top: -150px; left: 50%; transform: translateX(-50%);
    width: 700px; height: 700px;
    background: radial-gradient(ellipse at center, #3b1d7a28 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
  }

  .container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 1;
  }

  /* BRAND */
  .brand { text-align: center; }
  .brand-name {
    font-size: 32px;
    font-weight: 600;
    color: #e8e0ff;
    letter-spacing: 0.04em;
  }
  .brand-name span { color: #a87dff; }
  .brand-sub {
    font-size: 12px;
    color: #5c4e7a;
    margin-top: 6px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  /* CARD */
  .card {
    background: #15102a;
    border: 1px solid #3d2b6b;
    border-radius: 20px;
    padding: 1.75rem 2rem;
    width: 100%;
  }

  .card-label {
    font-size: 11px;
    color: #5c4e7a;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
  }

  .tool-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    background: #1c1535;
    border: 1px solid #3a2960;
    border-radius: 12px;
    padding: 14px 16px;
    cursor: pointer;
    margin-bottom: 10px;
    text-align: left;
    color: inherit;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s, transform 0.1s;
  }
  .tool-btn:last-child { margin-bottom: 0; }
  .tool-btn:hover {
    background: #241c44;
    border-color: #7c55d4;
    transform: translateY(-1px);
  }
  .tool-btn:active { transform: translateY(0); }

  .tool-icon {
    width: 44px; height: 44px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
  }
  .icon-trim   { background: #2a1650; color: #b48aff; }
  .icon-zip    { background: #0f1f33; color: #6ab4ff; }
  .icon-conv   { background: #162212; color: #7dcc5a; }
  .icon-sort   { background: #1f1030; color: #d4a8ff; }

  .tool-info { flex: 1; }
  .tool-name  { font-size: 16px; font-weight: 600; color: #e0d4ff; }
  .tool-desc  { font-size: 12px; color: #6b5e8a; margin-top: 3px; }

  .tool-arrow { font-size: 18px; color: #4a3670; transition: color 0.15s; }
  .tool-btn:hover .tool-arrow { color: #a87dff; }

  /* DONATE BUTTON */
  .donate-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid #5c3fa0;
    border-radius: 99px;
    padding: 11px 32px;
    color: #c4a6ff;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s, border-color 0.15s;
  }
  .donate-btn:hover {
    background: #2a1a4a;
    border-color: #a87dff;
  }

  .footer-copy {
    font-size: 11px;
    color: #3d2f58;
    letter-spacing: 0.04em;
    text-align: center;
    margin-top: -1rem;
  }

  /* MODAL */
  .modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(5, 3, 14, 0.88);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 1rem;
  }
  .modal-overlay.open { display: flex; }

  .modal {
    background: #15102a;
    border: 1px solid #3d2b6b;
    border-radius: 18px;
    padding: 2rem;
    width: 100%;
    max-width: 360px;
    text-align: center;
    animation: modalIn 0.18s ease;
  }
  @keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
  }

  .modal-icon { font-size: 32px; margin-bottom: 0.75rem; }
  .modal-title { font-size: 18px; font-weight: 600; color: #e0d4ff; margin-bottom: 6px; }
  .modal-sub   { font-size: 13px; color: #6b5e8a; line-height: 1.6; margin-bottom: 1.5rem; }

  .donate-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 1.25rem; }

  .donate-option {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #1c1535;
    border: 1px solid #3a2960;
    border-radius: 12px;
    padding: 13px 16px;
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.15s, background 0.15s;
  }
  .donate-option:hover { border-color: #7c55d4; background: #241c44; }

  .donate-option-emoji { font-size: 24px; }
  .donate-option-info  { text-align: left; }
  .donate-option-name  { font-size: 14px; font-weight: 600; color: #c4a6ff; }
  .donate-option-detail{ font-size: 12px; color: #5c4e7a; margin-top: 2px; }

  .modal-close {
    width: 100%;
    background: transparent;
    border: 1px solid #3a2960;
    border-radius: 10px;
    color: #6b5e8a;
    font-size: 14px;
    padding: 10px;
    cursor: pointer;
    font-family: inherit;
    transition: color 0.15s, border-color 0.15s;
  }
  .modal-close:hover { color: #c4a6ff; border-color: #7c55d4; }